Research Article

Stability Analysis of Water-Resistant Strata in Karst Tunnel Based on Releasable Elastic Strain Energy

Table 2

Releasable elastic strain energy at each monitoring point of the water-resistant strata under different cave spans (MJ/m3).

Karst cave span D/mMonitoring point position
12345678910

40.0880.0580.0450.0390.0370.0370.0390.0420.0480.056
80.0990.0800.0660.0590.0550.0550.0570.0610.0680.071
120.0910.0970.0840.0770.0740.0740.0780.0860.0990.071
160.0850.1060.0980.0940.0930.0960.1040.1220.1130.072
200.0820.1070.1110.1110.1140.1240.1410.1600.1130.073